OFFSET
1,23
LINKS
Tomás Oliveira e Silva, Animal enumerations on the {4,4} Euclidean tiling
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Joseph Myers, Nov 04 2003
EXTENSIONS
a(27)-a(28) from Tomás Oliveira e Silva's page added by Andrey Zabolotskiy, Oct 02 2022
STATUS
approved